5g DIY CO2 - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 02-19-2012, 11:36 PM Thread Starter
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5g DIY CO2

Is there a safe way to introduce DIY CO2 to a 5g, high light tank that already has fish in it?
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post #2 of 4 (permalink) Old 02-20-2012, 03:06 AM
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Safe way is yeast CO2 and make sure you have enough lights and a compatible selection of plants/fish for growth.

A good diffuser is a mini Hagen Elite (via its venturi port), & a timer for an air pump at night helps.

What's your current setup or what are u planning to keep in it?
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post #3 of 4 (permalink) Old 02-20-2012, 03:48 AM Thread Starter
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5g, heavily planted with just a few fish. Anubias, bacopa, wisteria, HG, HC. 30W desk lamp, currently dosing Excel but thinking about switching to DIY CO2. Instead of adding an additional air pump, is there some way I can divert the CO2 at night to the air (using a T-tube or something), or will this change the pH too much?
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post #4 of 4 (permalink) Old 02-21-2012, 01:28 AM
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Try it out with a splitter and valve.

Add a drop checker to see if CO2 levels drop overnight (fishkeeping=$)
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